Oxygen increasing equipment for aquaculture

摘要: The invention relates to an oxygenation device for aquaculture, which solves the problems of complex structure, slow speed and poor effect existing device. Which is arranged in a fish pond comprises outer sleeve, wherein upper end sleeve open lower closed; inner sleeve; isin conical cylinder shape; annular water outlet channel between connected with replenishing pipe and/or gas conveying equipment; foaming gap formed radial shaft at body on shaft; respectively corresponds casing respectively. has advantages simple ideal effect, no influence fish, flexible air water, like.